1. Material: nylon, polyester, pearl cotton 2. Function: waterproof, wear-resistant, shock-resistant 3. Thickened handle and pad design make it easier to carry 4. Water repellent fabric + rain cover double protection, good waterproof effect 5. Two-way zipper, smooth and easy to open and close 6. Bottom anti-skid pad design, wear-resistant, stable placement 7. Shoulder strap adjustment buckle, firm and not easy to fall off 8. Metal shoulder strap buckle, durable 9. Dimensions: S: 24 x 14 x 18 cm, L: 28 x 16 x 20 cm 10. Weight: S: about 565 grams, L: about 595 grams 11. Remarks: Only the storage bag will be sent for delivery, and nothing else!